Numerical Simulation and Experiment of a New Drive Device of High-Temperature Magnetic Pump

2010 ◽  
Vol 26-28 ◽  
pp. 736-741
Author(s):  
Dan Qing Yuan ◽  
You Quan He ◽  
Jian Ping Li ◽  
He Zhang ◽  
Chun Fang Chang
Keyword(s):  
Experimental Data ◽  
Numerical Simulation ◽  
High Temperature ◽  
Electromagnetic Coupling ◽  
Coupling Method ◽  
Key Factors ◽  
Analysis Software ◽  
Depth Study ◽  
Simulation And Experiment

To resolve the problem of degaussing of the magnetic pump, a new drive device is designed, consist of external magnetic rotor,isolation units and torque ring. Based on ANSYS12.0 analysis software, electromagnetic coupling method is firstly adopted on the simulation of this drive device. The comparison of simulation value and experimental data indicates that this method is feasible. For the purpose to provide evidence for more in-depth study of high temperature magnetic pump. Especialy,some key factors effecting on torque are considered, and this will provide references for further study of high-temperature magnetic pump.

Study on Aerosol Particles Thermophoretic and Diffusiophoretic Deposition

2014 ◽  
Vol 1010-1012 ◽  
pp. 801-804
Author(s):  
Feng Zhen Zhang ◽  
Yue Sheng Zhong ◽  
Xing Yong Liu ◽  
Huai Ming Du ◽  
Hu Yang
Keyword(s):  
Experimental Data ◽  
High Temperature ◽  
Aerosol Particles ◽  
Deposition Efficiency ◽  
Aerosol Concentration ◽  
Key Factors ◽  
Axial Distribution ◽  
Temperature And Humidity

A model of aerosol particles being removed from high temperature and humidity gas when passing across cooling walls is constructed, which takes thermophoretic deposition and diffusiophoretic deposition into consideration. The axial distribution of the temperature, humidity and aerosol concentration of the gas can be obtained from this model. The simulated prediction matches well with the experimental data from the literature[1]. The key factors which affect the aerosol particles deposition efficiency under different humidity conditions have also been revealed.

Simulation and Experimental Study on the Impact of Breadth of Back Blade on Axial Force Balance

2011 ◽  
Vol 130-134 ◽  
pp. 1568-1572
Author(s):  
Hui Wang ◽  
Jie Gang Mu ◽  
Miao Yin Su ◽  
Shui Hua Zheng ◽  
Jin Jing Zhao ◽  
...  
Keyword(s):  
Experimental Data ◽  
Numerical Simulation ◽  
Experimental Study ◽  
Axial Force ◽  
Three Dimensional ◽  
Force Balance ◽  
Simulation And Experiment ◽  
Simulation Results ◽  
The Impact ◽  
The Relationship

The paper studies the relationship between axial force and breadth of back blade by numerical simulation and experiment. On the basis of the RNG k-ε turbulence model and technology of compact local grids and regional computing, three dimensional numerical simulations to 100HZ165-250 centrifugal pump with various breadths were carried out. Through comparing and analyzing of the flow field, it can be seen that the axial force reduces with the increase of the back blade breadth. After that, the simulation results were verified by the experimental data got from different test devices, and it shows that the conclusions are reliable.

scholarly journals Experiment and numerical simulation on transient heat transfer from SiC foam to airflow in a high temperature tube

2018 ◽  
Vol 22 (Suppl. 2) ◽  
pp. 597-606 ◽  
Author(s):  
Xinlin Xia ◽  
Xue Chen ◽  
Xiaolei Li ◽  
Liu Bo ◽  
Yafen Han
Keyword(s):  
Heat Transfer ◽  
Experimental Data ◽  
Numerical Simulation ◽  
Steady State ◽  
High Temperature ◽  
Air Flow ◽  
Ceramic Foam ◽  
Transient Temperature ◽  
Transfer Behavior ◽  
Flow Velocities

In order to understand the high temperature heat transfer behavior of ceramic foam to air-flow, experiment and numerical simulation have been conducted for a tube fully filled with SiC foam under several air-flow velocities. The tested sample of SiC foam is characterized by a porosity of 0.88 and 10 pores per inch, which is heated to 1000?C before the air-flow passes through. The transient temperature variation is recorded and discussed for several inlet air-flow velocities ( 2.9 m/s, 4.3 m/s and 5.8 m/s). Then, a computational model for the transient process is developed to nu- merically investigate the coupled radiative and convective heat transfer, and compared with the experimental data. The results show that the heat transfer reaches steady-state quickly and the time needed is less than 80 second. The transient devia- tion between the predicted and experimental data is less than 25.0%. Besides, it is found that there exists an obvious temperature difference between the fluid and solid phases, the maximum difference occurs at the neighbor region of tube wall and decreases as the inlet velocity increases at the steady-state.

Numerical Simulation of Single Metal Progressive Cavity Pump

2013 ◽  
Vol 655-657 ◽  
pp. 372-375
Author(s):  
Xian Jun Zhou ◽  
Zhao Sheng Feng
Keyword(s):  
Numerical Simulation ◽  
Finite Element Analysis ◽  
Finite Element ◽  
High Temperature ◽  
Distribution Characteristics ◽  
Motion Simulation ◽  
Analysis Software ◽  
Element Analysis ◽  
The Finite Element Analysis ◽  
Reasonable Range

The motion law of single metal progressive cavity pump was studied through motion simulation. Then, the finite element analysis software ANSYS was used to analyze the distribution characteristics and the influencing factors of the contact pressure. It was pointed out that the single metal progressive cavity pump has the ability to withstand high temperature and the differential pressure mainly influences the wear. At last the reasonable range of the clearance was given.

Influence of Cross Section Shapes of Preformed Blade Body for Final Forging Formability Based on Numerical Simulation

2011 ◽  
Vol 189-193 ◽  
pp. 2558-2561 ◽  
Author(s):  
Yong Shao ◽  
Ping Yi Guo ◽  
Zhi An Liu ◽  
Zhao Yu Zhou ◽  
Wei Cai
Keyword(s):  
Numerical Simulation ◽  
Cross Section ◽  
Body Shape ◽  
Transverse Cross Section ◽  
Preform Design ◽  
Key Factors ◽  
Analysis Software ◽  
Element Analysis ◽  
Forging Process ◽  
Deform 2D

During the preform design of blade body, the final forging process for blade body with different transverse cross section shapes coupled different twist angles along blade body are simulated by using DEFORM-2D finite element analysis software. The final forging quality effected by different perform structures of blade body are analyzed in details through comparing some key factors such as formability, deformation uniformity, loss of heat before deformation. The valuable references are obtained for further design of optimizing blade body shape.

Numerical Simulation of the Strength and Plasticity Performance in Austenitic Stainless Steel

2013 ◽  
Vol 32 (1) ◽  
pp. 89-96 ◽  
Author(s):  
Dongsheng Li ◽  
Qixun Dai ◽  
Xiaonong Cheng
Keyword(s):  
Experimental Data ◽  
Numerical Simulation ◽  
Stainless Steel ◽  
High Temperature ◽  
Austenitic Stainless Steel ◽  
Effect Of Temperature ◽  
High Temperature Strength ◽  
Content Type ◽  
Quantitative Calculation ◽  
Strength And Plasticity

AbstractThe effect of temperature and alloy content on the strength and plasticity of austenitic stainless steel was investigated in this paper. A series of expressions for quantitative calculation via computer were obtained according to the experimental data and are shown as ; ; ; ; . The obtained results were reliable and can be applied to the design and calculation of the high-temperature strength and plasticity of austenitic stainless steel.

scholarly journals Damage Detection and Quantification Using Transmissibility Coherence Analysis

2015 ◽  
Vol 2015 ◽  
pp. 1-16 ◽  
Author(s):  
Yun-Lai Zhou ◽  
E. Figueiredo ◽  
N. Maia ◽  
R. Perera
Keyword(s):  
Experimental Data ◽  
Numerical Simulation ◽  
Damage Detection ◽  
Frequency Response Function ◽  
Frame Structure ◽  
Coherence Analysis ◽  
Coherence Measure ◽  
Damage Indicator ◽  
Simulation And Experiment ◽  
Detection And Quantification

A new transmissibility-based damage detection and quantification approach is proposed. Based on the operational modal analysis, the transmissibility is extracted from system responses and transmissibility coherence is defined and analyzed. Afterwards, a sensitive-damage indicator is defined in order to detect and identify the severity of damage and compared with an indicator developed by other authors. The proposed approach is validated on data from a physics-based numerical model as well as experimental data from a three-story aluminum frame structure. For both numerical simulation and experiment the results of the new indicator reveal a better performance than coherence measure proposed in Rizos et al., 2008, Rizos et al., 2002, Fassois and Sakellariou, 2007, especially when nonlinearity occurs, which might be further used in real engineering. The main contribution of this study is the construction of the relation between transmissibility coherence and frequency response function coherence and the construction of an effective indicator based on the transmissibility modal assurance criteria for damage (especially for minor nonlinearity) detection as well as quantification.

Elastic and Plastic Mechanical Properties Determined by Nanoindentation and Numerical Simulation at Mesoscale

2006 ◽  
Vol 326-328 ◽  
pp. 203-206 ◽  
Author(s):  
Feng Yuan Chen ◽  
Rwei Ching Chang
Keyword(s):  
Experimental Data ◽  
Mechanical Properties ◽  
Numerical Simulation ◽  
Small Scale ◽  
Finite Element Code ◽  
Scale Analysis ◽  
Plastic Properties ◽  
Nanoindentation Testing ◽  
Indentation Tests ◽  
Simulation And Experiment

This work presents a comparison of numerical simulation and experiment of nanoindentation testing. A commercial finite element code ANSYS is adopted in the numerical simulation, in which elastic-plastic properties are considered. A PMMA specimen and a three side pyramidal Berkovich probe tip is used in the indentation tests. While the elastic-linear workhardening properties are adopted, the numerical results agree well with the experimental data for different indentation loads. It proves the numerical simulation can be used in the small scale analysis.

Numerical Simulation of Thermal Deformation of High Speed and Exactitude Thermo Grip

2010 ◽  
Vol 136 ◽  
pp. 264-268
Author(s):  
Z.G. Wang ◽  
L. Xu ◽  
Huali Gang Wei ◽  
L.D. Xu ◽  
H.H. Yu
Keyword(s):  
Experimental Data ◽  
Numerical Simulation ◽  
Finite Element Analysis ◽  
Deformation Theory ◽  
High Speed ◽  
Thermal Deformation ◽  
Simulation Analysis ◽  
Deformation Model ◽  
Analysis Software ◽  
Element Analysis

Built the thermal deformation model of high-speed and exactitude thermo grip according to the thermal deformation theory .And numerical simulation of the thermal stress was performed by finite element analysis software of ANSYS. The thermal deformation experiment had be done with φ10 and φ16 specifications thermo grip. Experimental data and simulation analysis are fit well. It provides the theory support for the optimal design of thermo grip.

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